The day that you stop learning is the day that you start decreasing your rewards and start suffering from frustration and lower levels of satisfaction.
Almost all stress, tension, anxiety, and frustration, both in life and in work, comes from doing one thing while you believe and value something completely different.
You have available to you, right now, a powerful supercomputer. This powerful tool has been used through-out history to take people from rags to riches, from poverty and obscurity to success and fame, from unhappiness and frustration to joy and self-fulfillment, and it can do the same for you.